TC1221/TC1222

DS20001367C-page 2

 2002-2014 Microchip Technology Inc.

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Output Voltage (OUT to GND).................. -6.0V, +0.3V

Current at OUT Pin..............................................50mA

Short-Circuit Duration – OUT to GND ............Indefinite

6-Pin SOT-23A .........................................240mW

Operating Temperature Range............. -40°C to +85°C

Storage Temperature (Unbiased) .......-65°C to +150°C

*Stresses above those listed under "Absolute Maximum

Ratings" may cause permanent damage to the device. These

are stress ratings only and functional operation of the device

at these or any other conditions above those indicated in the

operation sections of the specifications is not implied.

Exposure to Absolute Maximum Rating conditions for

extended periods may affect device reliability.

TC1221/TC1222 ELECTRICAL SPECIFICATIONS

Symbol

Parameter

Min.

Typ.

Max.

Units

Device

Test Conditions

Supply Current

—

—

290

1800

600

2800

A

TC1221

TC1222

Shutdown Supply Current

—

0.01

1.0

A

Minimum Supply Voltage

1.8

—

—

V

Maximum Supply Voltage

—

—

5.5

V

Oscillator Frequency

81

550

125

750

169

950

kHz

TC1221

TC1222

SHDN Input Logic High

1.4

—

V

SHDN Input Logic Low

—

—

0.4

V

Power Efficiency

—

—

90

70

—

—

%

TC1221

TC1222

Voltage Conversion Efficiency

94

96

—

%

Output Resistance

—

—

25

65



Wake-up Time From Shutdown

Mode

—

—

80

25

—

—

s

TC1221

TC1222

Note

1:

Capacitor contribution is approximately 20% of the output impedance [ESR = 1/ pump frequency x capacitance].

2: